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Method for improving fuel cell performance

  • US 20010044040A1
  • Filed: 05/22/2001
  • Published: 11/22/2001
  • Est. Priority Date: 05/22/2000
  • Status: Active Grant
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1. A method for operating a fuel cell at high voltage for sustained periods including the step of switching the cathode to an output load effective to reduce the cell voltage at a pulse width effective to reverse performance degradation from OH adsorption on cathode catalyst surfaces.

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